Batari, Nirmala, Zetra, Yulfi, Burhan, R.Y., Firdhausya, Talitha, Firdausa, Yunita, AND Putri, Rizka. " Synthesis and Physicochemical Characterization of Castor Oil Methyl Ester" Fullerene Journal of Chemistry [Online], Volume 10 Number 2 (31 October 2025)